| FileInterface::setMimeType | function | core/modules/file/src/FileInterface.php | Sets the MIME type of the file. | 
          
                                                                                        | FileInterface::setPermanent | function | core/modules/file/src/FileInterface.php | Sets the file status to permanent. | 
          
                                                                                        | FileInterface::setSize | function | core/modules/file/src/FileInterface.php | Sets the size of the file. | 
          
                                                                                        | FileInterface::setTemporary | function | core/modules/file/src/FileInterface.php | Sets the file status to temporary. | 
          
                                                                                        | FileInterface::STATUS_PERMANENT | constant | core/modules/file/src/FileInterface.php | Indicates that the file is permanent and should not be deleted. | 
          
                                                                                        | FileIsImageConstraint | class | core/modules/file/src/Plugin/Validation/Constraint/FileIsImageConstraint.php | File is image constraint. | 
          
                                                                                        | FileIsImageConstraint.php | file | core/modules/file/src/Plugin/Validation/Constraint/FileIsImageConstraint.php |  | 
          
                                                                                        | FileIsImageConstraint::$message | property | core/modules/file/src/Plugin/Validation/Constraint/FileIsImageConstraint.php | The error message. | 
          
                                                                                        | FileIsImageConstraintValidator | class | core/modules/file/src/Plugin/Validation/Constraint/FileIsImageConstraintValidator.php | Validator for the FileIsImageConstraint. | 
          
                                                                                        | FileIsImageConstraintValidator.php | file | core/modules/file/src/Plugin/Validation/Constraint/FileIsImageConstraintValidator.php |  | 
          
                                                                                        | FileIsImageConstraintValidator::create | function | core/modules/file/src/Plugin/Validation/Constraint/FileIsImageConstraintValidator.php | Instantiates a new instance of this class. | 
          
                                                                                        | FileIsImageConstraintValidator::validate | function | core/modules/file/src/Plugin/Validation/Constraint/FileIsImageConstraintValidator.php |  | 
          
                                                                                        | FileIsImageConstraintValidator::__construct | function | core/modules/file/src/Plugin/Validation/Constraint/FileIsImageConstraintValidator.php | Creates a new FileIsImageConstraintValidator. | 
          
                                                                                        | FileIsImageConstraintValidatorTest | class | core/modules/file/tests/src/Kernel/Plugin/Validation/Constraint/FileIsImageConstraintValidatorTest.php | Tests the FileIsImageConstraintValidator. | 
          
                                                                                        | FileIsImageConstraintValidatorTest.php | file | core/modules/file/tests/src/Kernel/Plugin/Validation/Constraint/FileIsImageConstraintValidatorTest.php |  | 
          
                                                                                        | FileIsImageConstraintValidatorTest::$image | property | core/modules/file/tests/src/Kernel/Plugin/Validation/Constraint/FileIsImageConstraintValidatorTest.php | An image file. | 
          
                                                                                        | FileIsImageConstraintValidatorTest::$nonImage | property | core/modules/file/tests/src/Kernel/Plugin/Validation/Constraint/FileIsImageConstraintValidatorTest.php | A file which is not an image. | 
          
                                                                                        | FileIsImageConstraintValidatorTest::setUp | function | core/modules/file/tests/src/Kernel/Plugin/Validation/Constraint/FileIsImageConstraintValidatorTest.php |  | 
          
                                                                                        | FileIsImageConstraintValidatorTest::testFileIsImage | function | core/modules/file/tests/src/Kernel/Plugin/Validation/Constraint/FileIsImageConstraintValidatorTest.php | This ensures a specific file is actually an image. | 
          
                                                                                        | FileItem | class | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Plugin implementation of the 'file' field type. | 
          
                                                                                        | FileItem.php | file | core/modules/file/src/Plugin/Field/FieldType/FileItem.php |  | 
          
                                                                                        | FileItem::defaultFieldSettings | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Defines the field-level settings for this plugin. | 
          
                                                                                        | FileItem::defaultStorageSettings | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Defines the storage-level settings for this plugin. | 
          
                                                                                        | FileItem::doGetUploadLocation | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Determines the URI for a file field. | 
          
                                                                                        | FileItem::fieldSettingsForm | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Returns a form for the field-level settings. | 
          
                                                                                        | FileItem::generateSampleValue | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Generates placeholder field values. | 
          
                                                                                        | FileItem::getPreconfiguredOptions | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Returns preconfigured field options for a field type. | 
          
                                                                                        | FileItem::getUploadLocation | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Determines the URI for a file field. | 
          
                                                                                        | FileItem::getUploadValidators | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Retrieves the upload validators for a file field. | 
          
                                                                                        | FileItem::isDisplayed | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Determines whether an item should be displayed when rendering the field. | 
          
                                                                                        | FileItem::propertyDefinitions | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Defines field item properties. | 
          
                                                                                        | FileItem::schema | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Returns the schema for the field. | 
          
                                                                                        | FileItem::storageSettingsForm | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Returns a form for the storage-level settings. | 
          
                                                                                        | FileItem::storageSettingsSummary | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Returns a short summary of the field's storage-level settings. | 
          
                                                                                        | FileItem::validateDirectory | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Form API callback. | 
          
                                                                                        | FileItem::validateExtensions | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Form API callback. | 
          
                                                                                        | FileItem::validateMaxFilesize | function | core/modules/file/src/Plugin/Field/FieldType/FileItem.php | Form API callback. | 
          
                                                                                        | FileItemTest | class | core/modules/file/tests/src/Kernel/FileItemTest.php | Tests using entity fields of the file field type. | 
          
                                                                                        | FileItemTest.php | file | core/modules/file/tests/src/Kernel/FileItemTest.php |  | 
          
                                                                                        | FileItemTest::$directory | property | core/modules/file/tests/src/Kernel/FileItemTest.php | Directory where the sample files are stored. | 
          
                                                                                        | FileItemTest::$file | property | core/modules/file/tests/src/Kernel/FileItemTest.php | Created file entity. | 
          
                                                                                        | FileItemTest::$modules | property | core/modules/file/tests/src/Kernel/FileItemTest.php | Modules to install. | 
          
                                                                                        | FileItemTest::setUp | function | core/modules/file/tests/src/Kernel/FileItemTest.php | Set the default field storage backend for fields created during tests. | 
          
                                                                                        | FileItemTest::testFileItem | function | core/modules/file/tests/src/Kernel/FileItemTest.php | Tests using entity fields of the file field type. | 
          
                                                                                        | FileItemValidationTest | class | core/modules/file/tests/src/Kernel/FileItemValidationTest.php | Tests that files referenced in file and image fields are always validated. | 
          
                                                                                        | FileItemValidationTest.php | file | core/modules/file/tests/src/Kernel/FileItemValidationTest.php |  | 
          
                                                                                        | FileItemValidationTest::$modules | property | core/modules/file/tests/src/Kernel/FileItemValidationTest.php | Modules to install. | 
          
                                                                                        | FileItemValidationTest::$user | property | core/modules/file/tests/src/Kernel/FileItemValidationTest.php | A user. | 
          
                                                                                        | FileItemValidationTest::getFileTypes | function | core/modules/file/tests/src/Kernel/FileItemValidationTest.php | Provides a list of file types to test. | 
          
                                                                                        | FileItemValidationTest::setUp | function | core/modules/file/tests/src/Kernel/FileItemValidationTest.php |  |